1. 视力的；视觉的；光的；光学的
Optical devices, processes, and effects involve or relate to vision, light, or images.
optical
e.g. ...optical telescopes.
光学望远镜
e.g. ...the optical effects of volcanic dust in the stratosphere.
火山灰在平流层造成的视觉效果
1. 视力的；视觉的；光的；光学的
Optical devices, processes, and effects involve or relate to vision, light, or images.
optical
e.g. ...optical telescopes.
光学望远镜
e.g. ...the optical effects of volcanic dust in the stratosphere.
火山灰在平流层造成的视觉效果
